Ferroelectric UV photodetector achieves record near-10,000-fold speed increase

https://phys.org/news/2026-01-ferroelectric-ultraviolet-photodetector.html

"uses a ... ferroelectric materials have boundaries between regions of different polarization, trapping/ scattering separated charge carriers slowing down response times... overcome synthesizing a thin-film titanate-substituted strontium aluminate (magnetoplumbite-type) exhibiting single-domain charge carrier highway... >500 hours polarization retention, 6.8 ns / 17.7 ns rise/ fall times... UV (330 nm) detection: 860 mA/W responsivity... high-precision optical communications, environmental sensing, space exploration"